label pages on successful alloc

a5bb6d04 · Nickolai Zeldovich · 9711731a · a5bb6d04
--- a/kernel/kalloc.cc
+++ b/kernel/kalloc.cc
@@ -128,12 +128,11 @@ kmem::alloc(const char* name)
        panic("kmem:alloc: aba race %p %p %p\n",
              r, r->next, nxt);
      nfree--;
+      if (name)
+        mtlabel(mtrace_label_block, r, size, name, strlen(name));
      return r;
    }
  }
-
-  if (name)
-    mtlabel(mtrace_label_block, r, size, name, strlen(name));
 }

 void